[meteorite-list] Unusual new lunar or hokum?

From: Ted Bunch <tbear1_at_meteoritecentral.com>
Date: Mon, 03 Nov 2008 09:06:36 -0700
Message-ID: <C5346F9C.8568%tbear1_at_cableone.net>

Hi Mike - I concur, the whole picture looks strange to me. A 5 ton lunar
meteorite in one piece? Where were the O2 analyses done? There are only a
few trustworthy labs that can do O2 analyses. In any case, I don't think the
reported O2 data are that discriminating between lunar and terrestrial.
Some of the mineralogy looks OK, some does not. The plotted major oxide
compositional data look impressive for lunar origin, but there are
terrestrial mafic compositions that are just as lunar-looking. The hand
sample surface is very irregular and looks more like a weathered terrestrial
surface than fusion crust.

Looks like a duck, walks like a duck, but it doesn't quack like a duck. My
advice is to wait until it has been officially classified and/or Randy
Korotev has looked it over before buying a piece. I also suggest that the
Starchaser group do FeO/MnO ratios on olivine and pyroxene. These ratios are
discriminating and can save everyone a lot of trouble. My guess is that this
"lunar" is a glacial erratic from Canada.

Buyer beware,

Ted Bunch




On 11/3/08 7:06 AM, "Michael Gilmer" <michael_w_gilmer at yahoo.com> wrote:

> Hi Group!
>
> I ran across this one on eBay today :
>
> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=350119620351
>
> Something about it doesn't ring true.
>
> There is a lot of quasi-scientific mumbo jumbo in the listing.
>
> Is this for real or some highly-misinformed individual?
>
> Regards,
>
> MikeG
>
>
> .........................................................
> Michael Gilmer (Louisiana, USA)
> Member of the Meteoritical Society.
> Member of the Bayou Region Stargazers Network.
> Websites - http://www.galactic-stone.com and http://www.glassthrower.com
> MySpace - http://www.myspace.com/fine_meteorites_4_sale
> ..........................................................
>
>
>
>
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Received on Mon 03 Nov 2008 11:06:36 AM PST